Build a business (medical information system) requirements model.
建立业务(医疗信息系统)需求模型。
In fact, a UML-based business model can be a direct input to a requirements model.
实际上，基于UML的业务模型可以直接输入到需求模型中。
Update and refine the requirements model throughout the project.
在专案进行时更新及修改需求模型。
It is very important and difficult process to create requirements model accurately in software engineering.
软件需求建模是软件工程中一个非常重要的环节，同时也是一个非常困难的环节。
Model: Gather requirements, model business processes, and perform design work.
建模：收集需求，对业务流程建模，以及执行设计工作。
Model: Gather requirements, model business processes, and perform design work.
建模：收集需求，对业务流程建模，以及执行设计工作。
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